Atorvastatin, marketed under the brand name Lipitor, is a medication used to treat high cholesterol levels and reduce the risk of heart disease [1]. While it is generally considered safe and effective, there are some potential side effects associated with its use.

The most common side effects of atorvastatin include headache, muscle aches, diarrhea, and nausea [2]. These side effects are usually mild and go away on their own within a few days or weeks. However, some people may experience more serious side effects, such as liver problems, muscle damage, and an increased risk of developing type 2 diabetes [3].

Liver problems are rare but can occur in some people taking atorvastatin. Symptoms of liver problems may include yellowing of the skin or eyes, dark urine, and upper abdominal pain. If you experience any of these symptoms, you should contact your doctor right away [2].

Muscle damage is another potential side effect of atorvastatin. This can cause muscle pain, weakness, and tenderness. In rare cases, it can lead to a serious condition called rhabdomyolysis, which can cause kidney damage and even death. If you experience any muscle pain or weakness while taking atorvastatin, you should contact your doctor immediately [3].

Finally, some studies have suggested that atorvastatin may increase the risk of developing type 2 diabetes, especially in people who already have risk factors for the disease. If you have a family history of diabetes or are overweight, you should talk to your doctor about the potential risks and benefits of taking atorvastatin [1].

In conclusion, while atorvastatin is generally considered safe and effective, there are some potential side effects associated with its use. These include liver problems, muscle damage, and an increased risk of developing type 2 diabetes. If you experience any of these symptoms while taking atorvastatin, you should contact your doctor right away.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.nhs.uk/medicines/atorvastatin/side-effects-of-atorvastatin/
[3] https://www.mayoclinic.org/drugs-supplements/atorvastatin-oral-route/side-effects/drg-20067003